Keyboard



FIG. 1 is a top, front right perspective view of keyboard showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top, rear left perspective view thereof;

FIG. 9 is an enlarged view along line 9 as shown in FIG. 1; and,

FIG. 10 is an enlarged view along line 10 as shown in FIG. 1. 

CLAIM The ornamental design for a keyboard, as shown and described. 